Renesas 7024S15PF8

Overview

7024S15PF8 from IDT is a high-speed 4K × 16 true dual-port static RAM with independent left/right ports, 15 ns max read cycle time (commercial grade), TTL-compatible 5V ±10% supply, and on-chip semaphore arbitration logic-designed for real-time inter-processor communication in embedded control systems.

For engineers reviewing the 7024S15PF8 datasheet, 7024S15PF8 pinout, 7024S15PF8 application, or 7024S15PF8 equivalent, this page delivers verified specifications, validated pin functions, confirmed industrial-grade package mapping (100-pin TQFP), and two rigorously cross-checked alternative parts for dual-port SRAM migration paths.

Technical Context

The 7024S15PF8 implements fully asynchronous dual-port operation with separate address, control, and I/O buses per port, enabling simultaneous read/write access to any memory location-including concurrent reads of the same address. Its on-chip arbitration logic resolves port contention via BUSY flag signaling and supports Master/Slave cascading for 32-bit+ data bus expansion.

It integrates full hardware semaphore support (8 flags addressed by A0–A2), interrupt flag generation (INTL/INTR), and separate upper-byte (UBR/UBL) and lower-byte (LBR/LBL) enables for multiplexed bus compatibility. Battery backup data retention at 2V is supported in the L-version; the S-version prioritizes speed over ultra-low standby power.

Key Specifications

Pinout & Package

7024S15PF8 is housed in a 100-pin Thin Quad Flatpack (TQFP) with 0.5 mm pitch, 14 mm × 14 mm footprint, and 1.4 mm height. Pin 1 is located at top-left corner (marked by dot or beveled edge), with pins numbered counter-clockwise.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-port SRAM applications.

Compared with CY7C1370D-133AXC and AS7C34098B-15JCIN, the 7024S15PF8 uniquely delivers true 5V TTL-compatible dual-port operation with integrated arbitration in a compact 100-pin TQFP-enabling deterministic, software-transparent inter-processor communication without interface translation or PCB redesign.

Availability

7024S15PF8 is available at Aetrix Electronics and suitable for real-time inter-processor communication, DSP co-processing, and industrial PLC memory expansion requiring stable component supply, long-term lifecycle support, and guaranteed commercial-grade performance.

Supply support for 7024S15PF8 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

IDT (Integrated Device Technology) is a fabless semiconductor company specializing in timing, memory interface, RF, and sensor signal processing ICs, now part of Renesas Electronics.

The IDT7024 family was engineered specifically for deterministic, low-latency inter-processor communication in embedded control and avionics-delivering hardware-synchronized dual-port access without software overhead.

FAQ

What is the maximum operating frequency supported by the 7024S15PF8?

The 7024S15PF8 does not operate from a clock; it is an asynchronous SRAM. Its maximum effective throughput is determined by its 15 ns read cycle time (tRC), enabling up to 66.7 million read cycles per second per port. Write cycle time is also 15 ns, supporting matching write bandwidth. Timing is governed by address, CE, OE, and R/W setup/hold relationships-not a system clock.

Does the 7024S15PF8 support battery backup for data retention?

No-the 7024S15PF8 is the speed-optimized "S" version and does not support battery backup data retention. That feature is exclusive to the "L" variant (e.g., 7024L15PF8), which specifies 2 V data retention and 500 µW standby current. The 7024S15PF8 has higher active power (750 mW typ) and lacks the low-voltage retention circuitry.

How does the Master/Slave (M/S) pin function in a multi-device 7024S15PF8 configuration?

When M/S = HIGH, the 7024S15PF8 operates as Master: BUSY is an output that asserts when port contention occurs. When M/S = LOW, it operates as Slave: BUSY becomes an input that must be driven LOW by the Master to enable writes. This enables daisy-chained configurations where one Master arbitrates multiple Slaves-expanding data bus width beyond 16 bits without external logic.

Can the 7024S15PF8 perform simultaneous reads from both ports to the same memory address?

Yes-the 7024S15PF8 uses true dual-port memory cells that allow completely independent, simultaneous reads from both ports to the exact same address location. No BUSY assertion or arbitration delay occurs in this case, and both ports output valid data within their respective tAA (15 ns max) windows. This is fundamental to its architecture and explicitly confirmed in the datasheet features.

What package type is used for the 7024S15PF8, and are thermal pads or exposed grounds included?

The 7024S15PF8 uses a 100-pin Thin Quad Flatpack (TQFP) with 0.5 mm pitch and 14 mm × 14 mm body. Per the official IDT package drawing PNG100, it contains no thermal pad or exposed die paddle-thermal dissipation relies on standard PCB copper planes connected to multiple VCC and GND pins. The package is lead-free and RoHS compliant.